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xen-devel
Re: [Xen-devel] [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM
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To: |
Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space |
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From: |
Fengzhe Zhang <fengzhe.zhang@xxxxxxxxx> |
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Date: |
Sun, 20 Feb 2011 21:58:04 +0800 |
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Cc: |
xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Dong, Eddie" <eddie.dong@xxxxxxxxx>, "Li, Xin" <xin.li@xxxxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> |
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Sun, 20 Feb 2011 05:59:04 -0800 |
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On 2011/2/18 23:16, Konrad Rzeszutek Wilk wrote:
On Thu, Feb 17, 2011 at 01:32:15PM +0800, Fengzhe Zhang wrote:
On 2011/2/16 23:47, Konrad Rzeszutek Wilk wrote:
On Wed, Feb 16, 2011 at 10:20:21AM -0500, Konrad Rzeszutek Wilk wrote:
On Wed, Feb 16, 2011 at 10:06:38AM -0500, Konrad Rzeszutek Wilk wrote:
On Wed, Feb 16, 2011 at 10:26:20PM +0800, Zhang, Fengzhe wrote:
iomem: Prevent Dom0 pci bus from allocating RAM as I/O space
Is there a bug # associated with this? Is this associated with the intel-agp
driver trying to ioremap the scratch page and bombing out?
Also did you try to revert 0b56d9994ebe34df77fa156d2068ad93b7877b44 and see
how that works? Here is the revert attached
I tried this patch and it can indeed avoid system crash.
What happens if you use the revert _and_ don't use dom0_mem? Does
the machine not crash on the igb?
If dom0_mem is not used, no visible system error is observed even
without the revert.
-Fengzhe
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